#include <linux/notifier.h>
#include <asm/uaccess.h>
#include <asm/system.h>
+#include <net/net_namespace.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>
}
};
-#define DN_DEV_LIST_SIZE (sizeof(dn_dev_list)/sizeof(struct dn_dev_parms))
+#define DN_DEV_LIST_SIZE ARRAY_SIZE(dn_dev_list)
-#define DN_DEV_PARMS_OFFSET(x) ((int) ((char *) &((struct dn_dev_parms *)0)->x))
+#define DN_DEV_PARMS_OFFSET(x) offsetof(struct dn_dev_parms, x)
#ifdef CONFIG_SYSCTL
static int min_priority[1];
static int max_priority[] = { 127 }; /* From DECnet spec */
-static int dn_forwarding_proc(ctl_table *, int, struct file *,
+static int dn_forwarding_proc(ctl_table *, int,
void __user *, size_t *, loff_t *);
-static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
+static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen);
static struct dn_dev_sysctl_table {
struct ctl_table_header *sysctl_header;
ctl_table dn_dev_vars[5];
- ctl_table dn_dev_dev[2];
- ctl_table dn_dev_conf_dir[2];
- ctl_table dn_dev_proto_dir[2];
- ctl_table dn_dev_root_dir[2];
} dn_dev_sysctl = {
NULL,
{
},
{0}
},
- {{
- .ctl_name = 0,
- .procname = "",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_vars
- }, {0}},
- {{
- .ctl_name = NET_DECNET_CONF,
- .procname = "conf",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_dev
- }, {0}},
- {{
- .ctl_name = NET_DECNET,
- .procname = "decnet",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_conf_dir
- }, {0}},
- {{
- .ctl_name = CTL_NET,
- .procname = "net",
- .mode = 0555,
- .child = dn_dev_sysctl.dn_dev_proto_dir
- }, {0}}
};
static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms *parms)
struct dn_dev_sysctl_table *t;
int i;
+#define DN_CTL_PATH_DEV 3
+
+ struct ctl_path dn_ctl_path[] = {
+ { .procname = "net", .ctl_name = CTL_NET, },
+ { .procname = "decnet", .ctl_name = NET_DECNET, },
+ { .procname = "conf", .ctl_name = NET_DECNET_CONF, },
+ { /* to be set */ },
+ { },
+ };
+
t = kmemdup(&dn_dev_sysctl, sizeof(*t), GFP_KERNEL);
if (t == NULL)
return;
}
if (dev) {
- t->dn_dev_dev[0].procname = dev->name;
- t->dn_dev_dev[0].ctl_name = dev->ifindex;
+ dn_ctl_path[DN_CTL_PATH_DEV].procname = dev->name;
+ dn_ctl_path[DN_CTL_PATH_DEV].ctl_name = dev->ifindex;
} else {
- t->dn_dev_dev[0].procname = parms->name;
- t->dn_dev_dev[0].ctl_name = parms->ctl_name;
+ dn_ctl_path[DN_CTL_PATH_DEV].procname = parms->name;
+ dn_ctl_path[DN_CTL_PATH_DEV].ctl_name = parms->ctl_name;
}
- t->dn_dev_dev[0].child = t->dn_dev_vars;
- t->dn_dev_conf_dir[0].child = t->dn_dev_dev;
- t->dn_dev_proto_dir[0].child = t->dn_dev_conf_dir;
- t->dn_dev_root_dir[0].child = t->dn_dev_proto_dir;
t->dn_dev_vars[0].extra1 = (void *)dev;
- t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir);
+ t->sysctl_header = register_sysctl_paths(dn_ctl_path, t->dn_dev_vars);
if (t->sysctl_header == NULL)
kfree(t);
else
}
static int dn_forwarding_proc(ctl_table *table, int write,
- struct file *filep,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
dn_db = dev->dn_ptr;
old = dn_db->parms.forwarding;
- err = proc_dointvec(table, write, filep, buffer, lenp, ppos);
+ err = proc_dointvec(table, write, buffer, lenp, ppos);
if ((err >= 0) && write) {
if (dn_db->parms.forwarding < 0)
#endif
}
-static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
+static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
if (ifa->ifa_local != dn_eth2dn(dev->dev_addr)) {
dn_dn2eth(mac_addr, ifa->ifa_local);
dev_mc_add(dev, mac_addr, ETH_ALEN, 0);
- dev_mc_upload(dev);
}
}
return -EFAULT;
ifr->ifr_name[IFNAMSIZ-1] = 0;
-#ifdef CONFIG_KMOD
- dev_load(ifr->ifr_name);
-#endif
+ dev_load(&init_net, ifr->ifr_name);
switch(cmd) {
case SIOCGIFADDR:
rtnl_lock();
- if ((dev = __dev_get_by_name(ifr->ifr_name)) == NULL) {
+ if ((dev = __dev_get_by_name(&init_net, ifr->ifr_name)) == NULL) {
ret = -ENODEV;
goto done;
}
dev_put(dev);
}
+/*
+ * Called with RTNL
+ */
static struct dn_dev *dn_dev_by_index(int ifindex)
{
struct net_device *dev;
struct dn_dev *dn_dev = NULL;
- dev = dev_get_by_index(ifindex);
- if (dev) {
+
+ dev = __dev_get_by_index(&init_net, ifindex);
+ if (dev)
dn_dev = dev->dn_ptr;
- dev_put(dev);
- }
return dn_dev;
}
-static struct nla_policy dn_ifa_policy[IFA_MAX+1] __read_mostly = {
+static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
[IFA_ADDRESS] = { .type = NLA_U16 },
[IFA_LOCAL] = { .type = NLA_U16 },
[IFA_LABEL] = { .type = NLA_STRING,
static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
struct dn_dev *dn_db;
struct ifaddrmsg *ifm;
struct dn_ifaddr *ifa, **ifap;
- int err = -EADDRNOTAVAIL;
+ int err = -EINVAL;
+
+ if (net != &init_net)
+ goto errout;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
if (err < 0)
goto errout;
+ err = -ENODEV;
ifm = nlmsg_data(nlh);
if ((dn_db = dn_dev_by_index(ifm->ifa_index)) == NULL)
goto errout;
+ err = -EADDRNOTAVAIL;
for (ifap = &dn_db->ifa_list; (ifa = *ifap); ifap = &ifa->ifa_next) {
if (tb[IFA_LOCAL] &&
nla_memcmp(tb[IFA_LOCAL], &ifa->ifa_local, 2))
static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
struct net_device *dev;
struct dn_dev *dn_db;
struct dn_ifaddr *ifa;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
if (err < 0)
return err;
return -EINVAL;
ifm = nlmsg_data(nlh);
- if ((dev = __dev_get_by_index(ifm->ifa_index)) == NULL)
+ if ((dev = __dev_get_by_index(&init_net, ifm->ifa_index)) == NULL)
return -ENODEV;
if ((dn_db = dev->dn_ptr) == NULL) {
- int err;
dn_db = dn_dev_create(dev, &err);
if (!dn_db)
return err;
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+ rtnl_notify(skb, &init_net, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
+ return;
errout:
if (err < 0)
- rtnl_set_sk_err(RTNLGRP_DECnet_IFADDR, err);
+ rtnl_set_sk_err(&init_net, RTNLGRP_DECnet_IFADDR, err);
}
static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = sock_net(skb->sk);
int idx, dn_idx = 0, skip_ndevs, skip_naddr;
struct net_device *dev;
struct dn_dev *dn_db;
struct dn_ifaddr *ifa;
+ if (net != &init_net)
+ return 0;
+
skip_ndevs = cb->args[0];
skip_naddr = cb->args[1];
- read_lock(&dev_base_lock);
- for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) {
+ idx = 0;
+ for_each_netdev(&init_net, dev) {
if (idx < skip_ndevs)
- continue;
+ goto cont;
else if (idx > skip_ndevs) {
/* Only skip over addresses for first dev dumped
* in this iteration (idx == skip_ndevs) */
}
if ((dn_db = dev->dn_ptr) == NULL)
- continue;
+ goto cont;
for (ifa = dn_db->ifa_list, dn_idx = 0; ifa;
ifa = ifa->ifa_next, dn_idx++) {
NLM_F_MULTI) < 0)
goto done;
}
+cont:
+ idx++;
}
done:
- read_unlock(&dev_base_lock);
-
cb->args[0] = idx;
cb->args[1] = dn_idx;
rv = dn_dev_get_first(dev, addr);
read_unlock(&dev_base_lock);
dev_put(dev);
- if (rv == 0 || dev == &loopback_dev)
+ if (rv == 0 || dev == init_net.loopback_dev)
return rv;
}
- dev = &loopback_dev;
+ dev = init_net.loopback_dev;
dev_hold(dev);
goto last_chance;
}
memcpy(msg->tiver, dn_eco_version, 3);
dn_dn2eth(msg->id, ifa->ifa_local);
msg->iinfo = DN_RT_INFO_ENDN;
- msg->blksize = dn_htons(mtu2blksize(dev));
+ msg->blksize = cpu_to_le16(mtu2blksize(dev));
msg->area = 0x00;
memset(msg->seed, 0, 8);
memcpy(msg->neighbor, dn_hiord, ETH_ALEN);
dn_dn2eth(msg->neighbor, dn->addr);
}
- msg->timer = dn_htons((unsigned short)dn_db->parms.t3);
+ msg->timer = cpu_to_le16((unsigned short)dn_db->parms.t3);
msg->mpd = 0x00;
msg->datalen = 0x02;
memset(msg->data, 0xAA, 2);
pktlen = (__le16 *)skb_push(skb,2);
- *pktlen = dn_htons(skb->len - 2);
+ *pktlen = cpu_to_le16(skb->len - 2);
skb_reset_network_header(skb);
if (dn->priority != dn_db->parms.priority)
return 0;
- if (dn_ntohs(dn->addr) < dn_ntohs(ifa->ifa_local))
+ if (le16_to_cpu(dn->addr) < le16_to_cpu(ifa->ifa_local))
return 1;
return 0;
ptr += ETH_ALEN;
*ptr++ = dn_db->parms.forwarding == 1 ?
DN_RT_INFO_L1RT : DN_RT_INFO_L2RT;
- *((__le16 *)ptr) = dn_htons(mtu2blksize(dev));
+ *((__le16 *)ptr) = cpu_to_le16(mtu2blksize(dev));
ptr += 2;
*ptr++ = dn_db->parms.priority; /* Priority */
*ptr++ = 0; /* Area: Reserved */
- *((__le16 *)ptr) = dn_htons((unsigned short)dn_db->parms.t3);
+ *((__le16 *)ptr) = cpu_to_le16((unsigned short)dn_db->parms.t3);
ptr += 2;
*ptr++ = 0; /* MPD: Reserved */
i1 = ptr++;
skb_trim(skb, (27 + *i2));
pktlen = (__le16 *)skb_push(skb, 2);
- *pktlen = dn_htons(skb->len - 2);
+ *pktlen = cpu_to_le16(skb->len - 2);
skb_reset_network_header(skb);
else
dev_mc_add(dev, dn_rt_all_rt_mcast, ETH_ALEN, 0);
- dev_mc_upload(dev);
-
dn_db->use_long = 1;
return 0;
add_timer(&dn_db->timer);
}
-struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
+static struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
{
int i;
struct dn_dev_parms *p = dn_dev_list;
struct net_device *dev;
rtnl_lock();
- for(dev = dev_base; dev; dev = dev->next)
+ for_each_netdev(&init_net, dev)
dn_dev_down(dev);
rtnl_unlock();
struct net_device *dev;
rtnl_lock();
- for(dev = dev_base; dev; dev = dev->next) {
+ for_each_netdev(&init_net, dev) {
if (dev->flags & IFF_UP)
dn_dev_up(dev);
}
}
#ifdef CONFIG_PROC_FS
-static inline struct net_device *dn_dev_get_next(struct seq_file *seq, struct net_device *dev)
+static inline int is_dn_dev(struct net_device *dev)
{
- do {
- dev = dev->next;
- } while(dev && !dev->dn_ptr);
-
- return dev;
+ return dev->dn_ptr != NULL;
}
-static struct net_device *dn_dev_get_idx(struct seq_file *seq, loff_t pos)
+static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(&dev_base_lock)
{
+ int i;
struct net_device *dev;
- dev = dev_base;
- if (dev && !dev->dn_ptr)
- dev = dn_dev_get_next(seq, dev);
- if (pos) {
- while(dev && (dev = dn_dev_get_next(seq, dev)))
- --pos;
- }
- return dev;
-}
+ read_lock(&dev_base_lock);
-static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
-{
- if (*pos) {
- struct net_device *dev;
- read_lock(&dev_base_lock);
- dev = dn_dev_get_idx(seq, *pos - 1);
- if (dev == NULL)
- read_unlock(&dev_base_lock);
- return dev;
+ if (*pos == 0)
+ return SEQ_START_TOKEN;
+
+ i = 1;
+ for_each_netdev(&init_net, dev) {
+ if (!is_dn_dev(dev))
+ continue;
+
+ if (i++ == *pos)
+ return dev;
}
- return SEQ_START_TOKEN;
+
+ return NULL;
}
static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct net_device *dev = v;
- loff_t one = 1;
+ struct net_device *dev;
- if (v == SEQ_START_TOKEN) {
- dev = dn_dev_seq_start(seq, &one);
- } else {
- dev = dn_dev_get_next(seq, dev);
- if (dev == NULL)
- read_unlock(&dev_base_lock);
- }
++*pos;
- return dev;
+
+ dev = (struct net_device *)v;
+ if (v == SEQ_START_TOKEN)
+ dev = net_device_entry(&init_net.dev_base_head);
+
+ for_each_netdev_continue(&init_net, dev) {
+ if (!is_dn_dev(dev))
+ continue;
+
+ return dev;
+ }
+
+ return NULL;
}
static void dn_dev_seq_stop(struct seq_file *seq, void *v)
+ __releases(&dev_base_lock)
{
- if (v && v != SEQ_START_TOKEN)
- read_unlock(&dev_base_lock);
+ read_unlock(&dev_base_lock);
}
static char *dn_type2asc(char type)
mtu2blksize(dev),
dn_db->parms.priority,
dn_db->parms.state, dn_db->parms.name,
- dn_db->router ? dn_addr2asc(dn_ntohs(*(__le16 *)dn_db->router->primary_key), router_buf) : "",
- dn_db->peer ? dn_addr2asc(dn_ntohs(*(__le16 *)dn_db->peer->primary_key), peer_buf) : "");
+ dn_db->router ? dn_addr2asc(le16_to_cpu(*(__le16 *)dn_db->router->primary_key), router_buf) : "",
+ dn_db->peer ? dn_addr2asc(le16_to_cpu(*(__le16 *)dn_db->peer->primary_key), peer_buf) : "");
}
return 0;
}
-static struct seq_operations dn_dev_seq_ops = {
+static const struct seq_operations dn_dev_seq_ops = {
.start = dn_dev_seq_start,
.next = dn_dev_seq_next,
.stop = dn_dev_seq_stop,
#endif /* CONFIG_PROC_FS */
-static int __initdata addr[2];
+static int addr[2];
module_param_array(addr, int, NULL, 0444);
MODULE_PARM_DESC(addr, "The DECnet address of this machine: area,node");
return;
}
- decnet_address = dn_htons((addr[0] << 10) | addr[1]);
+ decnet_address = cpu_to_le16((addr[0] << 10) | addr[1]);
dn_dev_devices_on();
rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL);
rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr);
- proc_net_fops_create("decnet_dev", S_IRUGO, &dn_dev_seq_fops);
+ proc_net_fops_create(&init_net, "decnet_dev", S_IRUGO, &dn_dev_seq_fops);
#ifdef CONFIG_SYSCTL
{
}
#endif /* CONFIG_SYSCTL */
- proc_net_remove("decnet_dev");
+ proc_net_remove(&init_net, "decnet_dev");
dn_dev_devices_off();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff